| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | rate of [indef pn] a [noun sg] | 7 |
|
| 2 | rate [prep] one a [noun sg] | 7 |
|
| 3 | rate of [indef pn] a [noun sg] | 7 |
|
| 4 | rate [prep] [indef pn] a [noun sg] | 7 |
|
